From 65a1275f2c761c77e1c68b59ebb348b7a7063c9b Mon Sep 17 00:00:00 2001
From: Stanislav Kinsbursky <skinsbursky@parallels.com>
Date: Fri, 9 Nov 2012 14:05:05 +1100
Subject: [PATCH] ipc: wrap new sysctls for CRIU inside
 CONFIG_CHECKPOINT_RESTORE

Wrap "msg_next_id", "sem_next_id" and "shm_next_id" inside
CONFIG_CHECKPOINT_RESTORE macro.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: Serge Hallyn <serge.hallyn@canonical.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 ipc/ipc_sysctl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c
index d06d77af1a41..130dfece27ac 100644
--- a/ipc/ipc_sysctl.c
+++ b/ipc/ipc_sysctl.c
@@ -158,7 +158,9 @@ static int proc_ipcauto_dointvec_minmax(ctl_table *table, int write,
 
 static int zero;
 static int one = 1;
+#ifdef CONFIG_CHECKPOINT_RESTORE
 static int int_max = INT_MAX;
+#endif
 
 static struct ctl_table ipc_kern_table[] = {
 	{
@@ -228,6 +230,7 @@ static struct ctl_table ipc_kern_table[] = {
 		.extra1		= &zero,
 		.extra2		= &one,
 	},
+#ifdef CONFIG_CHECKPOINT_RESTORE
 	{
 		.procname	= "sem_next_id",
 		.data		= &init_ipc_ns.ids[IPC_SEM_IDS].next_id,
@@ -255,6 +258,7 @@ static struct ctl_table ipc_kern_table[] = {
 		.extra1		= &zero,
 		.extra2		= &int_max,
 	},
+#endif
 	{}
 };
 
-- 
2.39.5